- All sections
- B - Performing operations; transporting
- B21B - Rolling of metal
- B21B 38/00 - Methods or devices for measuring specially adapted for metal-rolling mills, e.g. position detection, inspection of the product
Patent holdings for IPC class B21B 38/00
Total number of patents in this class: 239
10-year publication summary
|
11
|
18
|
16
|
16
|
17
|
23
|
23
|
31
|
24
|
10
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| JFE Steel Corporation | 6067 |
33 |
| Nippon Steel Corporation | 5649 |
20 |
| SMS Group GmbH | 1029 |
20 |
| Toshiba Mitsubishi-Electric Industrial Systems Corporation | 1583 |
15 |
| POSCO | 2222 |
12 |
| Primetals Technologies Germany GmbH | 180 |
12 |
| Novelis Inc. | 656 |
9 |
| Primetals Technologies Austria GmbH | 479 |
9 |
| Hyundai Steel Company | 310 |
8 |
| Primetals Technologies Japan, Ltd. | 143 |
8 |
| SMS Siemag Aktiengesellschaft | 529 |
6 |
| Cockerill Maintenance & Ingenierie SA | 82 |
5 |
| Danieli & C. Officine Meccaniche S.p.A. | 680 |
5 |
| Siemens AG | 24990 |
4 |
| ABB Schweiz AG | 6321 |
4 |
| Siemens VAI Metals Technologies SAS | 70 |
3 |
| Fives Stein | 96 |
3 |
| Primetals Technologies Italy S.r.l. | 16 |
3 |
| VDEh-Betriebsforschungsinstitut GmbH | 18 |
3 |
| Sapotech Oy | 3 |
3 |
| Other owners | 54 |